package com.catmiao.spark.rdd.operator.transform

import org.apache.spark.rdd.RDD
import org.apache.spark.{SparkConf, SparkContext}

/**
 * @title: RDD_Operator_01_transform
 * @projectName spark_study
 * @description: TODO
 * @author ChengMiao
 * @date 2024/2/2 11:48
 */
object RDD_Operator_05_transform {

  def main(args: Array[String]): Unit = {
    val sparkCon = new SparkConf().setMaster("local[*]").setAppName("rdd")

    val sparkContext = new SparkContext(sparkCon)

    val rdd : RDD[Int] = sparkContext.makeRDD(List(1, 2, 3, 4), 2)

    val glomRdd :RDD[Array[Int]] = rdd.glom()


    glomRdd.collect().foreach(i => {
      println(i.mkString(","))
    })



    sparkContext.stop()
  }

}
